Each year, on April 22nd, since 1970, we have celebrated Earth Day. It’s original and abiding purpose has been as an observance to focus Awareness on the many ecological challenges this planet faces. Much has changed in the intervening years. Certainly more people are aware of the many problems confronting our environment, and the ongoing impact of issues like climate change, industrial pollution, waste disposal and the need for change in the way the agro-industrial complex produces our food, fiber and fuel. In the months to come, we at Somewhere Over the Rainbow will address…